While designing a document, you can organise the design elements like Symbols and Styles in Sketch easily
Symbols are the powerful building elements of Sketch drawings. These are reusable parts that you can use repeatedly in your project.
Symbols and styles help you to maintain consistency across the designs. Also, you can easily update the multiple instances of the symbol instantly.
Any graphic can be converted into a symbol to be used repeatedly across all your designs.
Sketch facilitates overriding symbols’ instances in following ways
Overriding Text Style
Overriding Layer style
Overriding images
Overriding Colours